Navel Orange planting Technology: how to manage navel Orange Orchard?

How to manage navel orange orchard? Please give a detailed introduction to the management of navel orange orchards, which can be divided into adult orchards and juvenile orchards. Detailed methods can be listed as follows: 1. Fruit protection methods of navel orange orchards: (1) 0.15% Huangjia natural brassin 5000 times plus new nutrient liquid fertilizer such as sunflower L, P, K extract, chlorophyllin, etc.) 2 to 3 times. (2) wipe off summer, once every 7 to 10 days; (3) continue pruning, mainly thinning, improve the ventilation and light transmission condition of the crown, cut off dead branches, disease and insect branches, and reduce the source of disease and insect infection; (4) apply xanthate from mid-late May to early June to prevent navel yellow fruit drop. 2. Fruit thinning method of navel orange: at the beginning of June, the deformed fruit, disease and insect fruit, dense fruit, damaged fruit, dermatophyte fruit and small fruit should be removed, and the ratio of leaf to fruit should reach 60:1. 3. Navel orange bagging: after applying liquid medicine to control diseases and insect pests such as red spider, rust wall louse, canker, anthrax and so on in mid-late June, the fruit was wrapped in a special paper bag of navel orange in time, and one fruit per bag was implemented. 4. Drought prevention and drought resistance of navel orange: (1) spraying 500-fold solution of Handilong once on the leaf surface; (2) covering the tree plate well. (3) applying 40 to 50 grams of water-retaining resin per plant in soil trenching to conserve water and prevent drought. 5. Prevention and control of diseases and insect pests of navel orange: continue to control canker, anthrax, red spider, rust wall louse, scale insect, leaf roll moth (leaf filaria), Phoenix butterfly. (1) for the prevention and treatment of ulcer disease, the following agents can be selected: 1.5% chlorphenicol water emulsion 1000 to 1200 times; 20% Ye Qing Shuang wettable powder 400 to 500 times; agricultural streptomycin 500 to 600 units plus 1% alcohol; medical streptomycin 10 to 15 kg 2% neophytomycin 2000 times; 50% desenamine 600 times, 77 can kill 1000 times. (2) to control anthracnose, the following agents can be selected: 1.5% bacteria mancozeb 800 times. (3) to control scale insects, spray pesticides once in mid-May. The insecticides can be selected as follows: 99.1% insecticidal insects 150-200x, 25% planthopper net 1500-2000 times, 25% scale net 800-1000 times, Lesbon 1000 times. (4) to control leaf roll moth (hanging filaria) and Phoenix butterfly, the optional agents are as follows: 20% verapamil 2000 to 3000 times, thalidomide 2000 to 3000 times, 1.8% insecticidal 5000 to 6000 times, diflubenzuron 3 1500 to 2000 times. 2. The management method of young navel orange orchard: 1. The method of promoting strong shoot of navel orange: (1) 15 to 20 days before the germination of new shoot, combined with plastic surgery, the crown of summer shoot was expanded, and 8 to 10 pieces of new shoot were left to pick the heart; (2) 0.5 kg of bio-organic fertilizer and 0.05 kg of urea were applied to each plant, and 500 times of Yeluling was sprayed outside the root, or 0.3% urea plus 0.2 potassium dihydrogen phosphate. 2. Drought prevention and drought resistance: (1) cut off the weeds in the orchard and cover the tree plate; (2) spray 500 times of Handilong solution on the leaf surface for 2 to 3 times. (3) soil trenching and application of "Kehan 98" water-retaining resin 10 to 20 grams per plant. 3. Prevention and control of diseases and insect pests of navel orange young trees: the main control methods are leaf miner, red spider, Phoenix butterfly, canker and anthracnose, with reference to adult trees. Click to get more navel orange planting techniques click to get more fruit planting techniques